CVE-2026-5506

| EUVD-2026-20121 MEDIUM
2026-04-08 Wordfence GHSA-pff6-574p-8mfv
6.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Apr 08, 2026 - 07:00 euvd
EUVD-2026-20121
Analysis Generated
Apr 08, 2026 - 07:00 vuln.today
CVE Published
Apr 08, 2026 - 06:43 nvd
MEDIUM 6.4

Tags

WordPress XSS

Description

The Wavr plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `wave` shortcode in all versions up to, and including, 0.2.6. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Analysis

Stored Cross-Site Scripting in Wavr WordPress plugin up to version 0.2.6 allows authenticated contributors and above to inject arbitrary JavaScript via insufficiently sanitized shortcode attributes, with malicious scripts executing for all users who view affected pages. CVSS 6.4 reflects moderate severity with network-accessible attack vector and cross-site impact; no public exploit code or active exploitation confirmed at time of analysis.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-5506 vulnerability details – vuln.today
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